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Finding the Fourth Proportional to 297,326.62, 410,311.02 and 161,360.60

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Solution

The fourth proportional to 297,326.62, 410,311.02 and 161,360.60 is: 222,677.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,326.62 : 410,311.02 = 161,360.60 : x
  2. Step 2: Convert to fraction form
    297,326.62/410,311.02 = 161,360.60/x
  3. Step 3: Cross multiply
    297,326.62x = 410,311.02 × 161,360.60
  4. Step 4: Simplify right side
    297,326.62x = 66,208,032,373.81
  5. Step 5: Solve for x
    x = 66,208,032,373.81/297,326.62
  6. Step 6: Final answer
    x = 222,677.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.